Remove visual samples index (#2607)

Removes VSI and all related infra. It has been replaced by [an index
page on
flutter.dev](https://docs.flutter.dev/reference/learning-resources)

Fixes:

#2582 
#2507 

## Pre-launch Checklist

- [x] I read the [Flutter Style Guide] _recently_, and have followed its
advice.
- [x] I signed the [CLA].
- [x] I read the [Contributors Guide].
- [x] I have added sample code updates to the [changelog].
- [x] I updated/added relevant documentation (doc comments with `///`).

.github/workflows/gh-pages.yml

@@ -1,38 +0,0 @@
-name: Deploy to GitHub Pages
-
-# Declare default permissions as read only.
-permissions: read-all
-
-on:
-  push:
-    branches:
-      - main
-jobs:
-  build-and-deploy:
-    permissions:
-      contents: write
-    runs-on: ubuntu-latest
-    if: github.repository == 'flutter/samples'
-
-    steps:
-      - name: Checkout
-        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683
-        with:
-          submodules: true
-          fetch-depth: 0
-
-      - uses: subosito/flutter-action@e938fdf56512cc96ef2f93601a5a40bde3801046
-
-      - name: Init scripts
-        run: dart pub get
-        working-directory: web/_tool
-
-      - name: Build
-        run: dart run _tool/build_ci.dart
-        working-directory: web
-
-      - name: Deploy
-        uses: peaceiris/actions-gh-pages@4f9cc6602d3f66b9c108549d475ec49e8ef4d45e
-        with:
-          github_token: ${{ secrets.GITHUB_TOKEN }}
-          publish_dir: web/samples_index/public

.github/workflows/main.yml

@@ -37,17 +37,6 @@ jobs:
           channel: ${{ matrix.flutter_version }}
       - run: ./tool/flutter_ci_script_${{ matrix.flutter_version }}.sh
 
-  web-samples-index:
-    name: web/samples_index config check
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683
-      - uses: subosito/flutter-action@e938fdf56512cc96ef2f93601a5a40bde3801046
-      - run: |
-          dart pub get
-          dart run grinder generate
-        working-directory: web/samples_index
-
   # android-build:
   #   runs-on: ubuntu-latest
   #   if: github.repository == 'flutter/samples'

.github/workflows/verify-web-demos.yml

@@ -1,36 +0,0 @@
-name: Verify web demos
-
-# Declare default permissions as read only.
-permissions: read-all
-
-on:
-  push:
-    branches: [ main ]
-  pull_request:
-    branches: [ main ]
-
-jobs:
-  verify-web-demos:
-    runs-on: ubuntu-latest
-    if: github.repository == 'flutter/samples'
-    strategy:
-      matrix:
-        flutter_version:
-          - stable
-          # TODO(johnpryan): https://github.com/flutter/samples/issues/1469
-          # - beta
-    steps:
-      - name: Checkout
-        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683
-        with:
-          submodules: true
-          fetch-depth: 0
-      - uses: subosito/flutter-action@e938fdf56512cc96ef2f93601a5a40bde3801046
-        with:
-          channel: ${{ matrix.flutter_version }}
-      - name: Init scripts
-        run: dart pub get
-        working-directory: web/_tool
-      - name: Verify packages
-        run: dart run _tool/verify_packages.dart
-        working-directory: web

tool/flutter_ci_script_beta.sh

@@ -64,9 +64,6 @@ declare -ar PROJECT_NAMES=(
     "testing_app"
     "veggieseasons"
     "web_embedding/element_embedding_demo"
-    "web/_tool"
-    # TODO(ewindmill): dart:html is deprecated. Delete samples_index
-    # "web/samples_index"
 )
 
 ci_projects "beta" "${PROJECT_NAMES[@]}"

tool/flutter_ci_script_master.sh

@@ -67,9 +67,6 @@ declare -ar PROJECT_NAMES=(
     "testing_app"
     "veggieseasons"
     "web_embedding/element_embedding_demo"
-    "web/_tool"
-    # TODO(ewindmill): dart:html is deprecated. Delete samples_index
-    # "web/samples_index"
 )
 
 ci_projects "master" "${PROJECT_NAMES[@]}"

tool/flutter_ci_script_stable.sh

@@ -61,9 +61,6 @@ declare -ar PROJECT_NAMES=(
     "testing_app"
     "veggieseasons"
     "web_embedding/element_embedding_demo"
-    "web/_tool"
-    # TODO(ewindmill): dart:html is deprecated. Delete samples_index
-    # "web/samples_index"
 )
 
 ci_projects "stable" "${PROJECT_NAMES[@]}"

tool/flutter_clean_packages

@@ -57,8 +57,6 @@ declare -ar PROJECT_NAMES=(
     "testing_app"
     "veggieseasons"
     "web_embedding/element_embedding_demo"
-    "web/_tool"
-    "web/samples_index"
 )
 
 echo "--- Running flutter clean and flutter pub get for each sample ---"

web/.gitignore

@@ -1 +0,0 @@
-*/build

web/_packages/web_startup_analyzer/.gitignore

@@ -1,29 +0,0 @@
-# Miscellaneous
-*.class
-*.log
-*.pyc
-*.swp
-.DS_Store
-.atom/
-.buildlog/
-.history
-.svn/
-migrate_working_dir/
-
-# IntelliJ related
-*.iml
-*.ipr
-*.iws
-.idea/
-
-# The .vscode folder contains launch configuration and tasks you configure in
-# VS Code which you may wish to be included in version control, so this line
-# is commented out by default.
-#.vscode/
-
-# Flutter/Dart/Pub related
-# Libraries should not include pubspec.lock, per https://dart.dev/guides/libraries/private-files#pubspeclock.
-/pubspec.lock
-**/doc/api/
-.dart_tool/
-build/

web/_packages/web_startup_analyzer/.metadata

@@ -1,10 +0,0 @@
-# This file tracks properties of this Flutter project.
-# Used by Flutter tool to assess capabilities and perform upgrades etc.
-#
-# This file should be version controlled and should not be manually edited.
-
-version:
-  revision: "f5fb61b953a631f47191124a31169701911ee1f4"
-  channel: "main"
-
-project_type: package

web/_packages/web_startup_analyzer/analysis_options.yaml

@@ -1,4 +0,0 @@
-include: package:flutter_lints/flutter.yaml
-
-# Additional information about this file can be found at
-# https://dart.dev/guides/language/analysis-options

web/_packages/web_startup_analyzer/example/.gitignore

@@ -1,43 +0,0 @@
-# Miscellaneous
-*.class
-*.log
-*.pyc
-*.swp
-.DS_Store
-.atom/
-.buildlog/
-.history
-.svn/
-migrate_working_dir/
-
-# IntelliJ related
-*.iml
-*.ipr
-*.iws
-.idea/
-
-# The .vscode folder contains launch configuration and tasks you configure in
-# VS Code which you may wish to be included in version control, so this line
-# is commented out by default.
-#.vscode/
-
-# Flutter/Dart/Pub related
-**/doc/api/
-**/ios/Flutter/.last_build_id
-.dart_tool/
-.flutter-plugins
-.flutter-plugins-dependencies
-.pub-cache/
-.pub/
-/build/
-
-# Symbolication related
-app.*.symbols
-
-# Obfuscation related
-app.*.map.json
-
-# Android Studio will place build artifacts here
-/android/app/debug
-/android/app/profile
-/android/app/release

web/_packages/web_startup_analyzer/example/.metadata

@@ -1,45 +0,0 @@
-# This file tracks properties of this Flutter project.
-# Used by Flutter tool to assess capabilities and perform upgrades etc.
-#
-# This file should be version controlled and should not be manually edited.
-
-version:
-  revision: "f5fb61b953a631f47191124a31169701911ee1f4"
-  channel: "main"
-
-project_type: app
-
-# Tracks metadata for the flutter migrate command
-migration:
-  platforms:
-    - platform: root
-      create_revision: f5fb61b953a631f47191124a31169701911ee1f4
-      base_revision: f5fb61b953a631f47191124a31169701911ee1f4
-    - platform: android
-      create_revision: f5fb61b953a631f47191124a31169701911ee1f4
-      base_revision: f5fb61b953a631f47191124a31169701911ee1f4
-    - platform: ios
-      create_revision: f5fb61b953a631f47191124a31169701911ee1f4
-      base_revision: f5fb61b953a631f47191124a31169701911ee1f4
-    - platform: linux
-      create_revision: f5fb61b953a631f47191124a31169701911ee1f4
-      base_revision: f5fb61b953a631f47191124a31169701911ee1f4
-    - platform: macos
-      create_revision: f5fb61b953a631f47191124a31169701911ee1f4
-      base_revision: f5fb61b953a631f47191124a31169701911ee1f4
-    - platform: web
-      create_revision: f5fb61b953a631f47191124a31169701911ee1f4
-      base_revision: f5fb61b953a631f47191124a31169701911ee1f4
-    - platform: windows
-      create_revision: f5fb61b953a631f47191124a31169701911ee1f4
-      base_revision: f5fb61b953a631f47191124a31169701911ee1f4
-
-  # User provided section
-
-  # List of Local paths (relative to this file) that should be
-  # ignored by the migrate tool.
-  #
-  # Files that are not part of the templates will be ignored by default.
-  unmanaged_files:
-    - 'lib/main.dart'
-    - 'ios/Runner.xcodeproj/project.pbxproj'

web/_packages/web_startup_analyzer/example/analysis_options.yaml

@@ -1,3 +0,0 @@
-include: package:flutter_lints/flutter.yaml
-linter:
-  rules:

web/_packages/web_startup_analyzer/example/lib/main.dart

@@ -1,147 +0,0 @@
-// Copyright 2021 The Flutter team. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// ignore_for_file: avoid_print
-
-import 'dart:convert';
-
-import 'package:flutter/material.dart';
-import 'package:web_startup_analyzer/web_startup_analyzer.dart';
-
-main() async {
-  var analyzer = WebStartupAnalyzer(additionalFrameCount: 10);
-  print(json.encode(analyzer.startupTiming));
-  analyzer.onFirstFrame.addListener(() {
-    print(json.encode({'firstFrame': analyzer.onFirstFrame.value}));
-  });
-  analyzer.onFirstPaint.addListener(() {
-    print(
-      json.encode({
-        'firstPaint': analyzer.onFirstPaint.value?.$1,
-        'firstContentfulPaint': analyzer.onFirstPaint.value?.$2,
-      }),
-    );
-  });
-  analyzer.onAdditionalFrames.addListener(() {
-    print(json.encode({'additionalFrames': analyzer.onAdditionalFrames.value}));
-  });
-  runApp(WebStartupAnalyzerSample(analyzer: analyzer));
-}
-
-class WebStartupAnalyzerSample extends StatelessWidget {
-  final WebStartupAnalyzer analyzer;
-  const WebStartupAnalyzerSample({super.key, required this.analyzer});
-
-  @override
-  Widget build(BuildContext context) {
-    return MaterialApp(
-      title: 'Flutter web app timing',
-      theme: ThemeData(
-        colorScheme: ColorScheme.fromSeed(seedColor: Colors.green.shade100),
-      ),
-      home: WebStartupAnalyzerScreen(analyzer: analyzer),
-    );
-  }
-}
-
-class WebStartupAnalyzerScreen extends StatefulWidget {
-  final WebStartupAnalyzer analyzer;
-
-  const WebStartupAnalyzerScreen({super.key, required this.analyzer});
-
-  @override
-  State<WebStartupAnalyzerScreen> createState() =>
-      _WebStartupAnalyzerScreenState();
-}
-
-class _WebStartupAnalyzerScreenState extends State<WebStartupAnalyzerScreen> {
-  @override
-  Widget build(BuildContext context) {
-    return Scaffold(
-      backgroundColor: Colors.amber.shade50,
-      body: Align(
-        alignment: Alignment.topCenter,
-        child: Container(
-          margin: const EdgeInsets.all(8.0),
-          constraints: const BoxConstraints(maxWidth: 400),
-          decoration: BoxDecoration(
-            color: Colors.white,
-            borderRadius: BorderRadius.circular(8.0),
-          ),
-          child: ListenableBuilder(
-            listenable: widget.analyzer.onChange,
-            builder: (BuildContext context, child) {
-              return ListView(
-                shrinkWrap: true,
-                children: [
-                  TimingWidget(
-                    name: 'DCL',
-                    timingMs: widget.analyzer.domContentLoaded,
-                  ),
-                  TimingWidget(
-                    name: 'Load entrypoint',
-                    timingMs: widget.analyzer.loadEntrypoint,
-                  ),
-                  TimingWidget(
-                    name: 'Initialize engine',
-                    timingMs: widget.analyzer.initializeEngine,
-                  ),
-                  TimingWidget(
-                    name: 'Run app',
-                    timingMs: widget.analyzer.appRunnerRunApp,
-                  ),
-                  if (widget.analyzer.firstFrame != null)
-                    TimingWidget(
-                      name: 'First frame',
-                      timingMs: widget.analyzer.firstFrame!,
-                    ),
-                  if (widget.analyzer.firstPaint != null)
-                    TimingWidget(
-                      name: 'First paint',
-                      timingMs: widget.analyzer.firstPaint!,
-                    ),
-                  if (widget.analyzer.firstContentfulPaint != null)
-                    TimingWidget(
-                      name: 'First contentful paint',
-                      timingMs: widget.analyzer.firstContentfulPaint!,
-                    ),
-                  if (widget.analyzer.additionalFrames != null) ...[
-                    for (var i in widget.analyzer.additionalFrames!)
-                      TimingWidget(name: 'Frame', timingMs: i.toDouble()),
-                  ] else
-                    TextButton(
-                      child: const Text('Trigger frames'),
-                      onPressed: () {},
-                    ),
-                ],
-              );
-            },
-          ),
-        ),
-      ),
-    );
-  }
-}
-
-class TimingWidget extends StatelessWidget {
-  final String name;
-  final double timingMs;
-
-  const TimingWidget({super.key, required this.name, required this.timingMs});
-
-  @override
-  Widget build(BuildContext context) {
-    return ListTile(
-      title: Text(
-        name,
-        style: const TextStyle(fontSize: 18),
-        overflow: TextOverflow.ellipsis,
-      ),
-      trailing: Text(
-        '${timingMs.truncate()}ms',
-        style: const TextStyle(fontSize: 18),
-      ),
-    );
-  }
-}

web/_packages/web_startup_analyzer/example/pubspec.yaml

@@ -1,19 +0,0 @@
-name: example
-description: "flutter_web_startup_analyzer example"
-publish_to: 'none' # Remove this line if you wish to publish to pub.dev
-version: 1.0.0+1
-environment:
-  sdk: ^3.7.0-0
-  flutter: ^3.16.0
-dependencies:
-  flutter:
-    sdk: flutter
-  cupertino_icons: ^1.0.6
-  web_startup_analyzer:
-    path: ../
-dev_dependencies:
-  flutter_test:
-    sdk: flutter
-  flutter_lints: ^5.0.0
-flutter:
-  uses-material-design: true

web/_packages/web_startup_analyzer/example/web/index.html

@@ -1,50 +0,0 @@
-<!DOCTYPE html>
-<html>
-<head>
-  <base href="$FLUTTER_BASE_HREF">
-
-  <meta charset="UTF-8">
-  <meta content="IE=Edge" http-equiv="X-UA-Compatible">
-  <meta name="description" content="web_startup_analyzer example">
-
-  <meta name="apple-mobile-web-app-capable" content="yes">
-  <meta name="apple-mobile-web-app-status-bar-style" content="black">
-  <meta name="apple-mobile-web-app-title" content="example">
-  <link rel="apple-touch-icon" href="icons/Icon-192.png">
-
-  <link rel="icon" type="image/png" href="favicon.png"/>
-
-  <title>web_perf_metrics example</title>
-  <link rel="manifest" href="manifest.json">
-
-  <script>
-    const serviceWorkerVersion = null;
-  </script>
-  <script src="flutter.js" defer></script>
-</head>
-<body>
-<script type="text/javascript" src="assets/packages/web_startup_analyzer/lib/web_startup_analyzer.js"></script>
-<script>
-  var flutterWebStartupAnalyzer = new FlutterWebStartupAnalyzer();
-  var analyzer = flutterWebStartupAnalyzer;
-
-  window.addEventListener('load', function(ev) {
-    analyzer.markStart("loadEntrypoint");
-    _flutter.loader.loadEntrypoint({
-      serviceWorker: {
-        serviceWorkerVersion: serviceWorkerVersion,
-      },
-      onEntrypointLoaded: function(engineInitializer) {
-        analyzer.markFinished("loadEntrypoint");
-        analyzer.markStart("initializeEngine");
-        engineInitializer.initializeEngine().then(function(appRunner) {
-          analyzer.markFinished("initializeEngine");
-          analyzer.markStart("appRunnerRunApp");
-          appRunner.runApp();
-        });
-      }
-    });
-  });
-</script>
-</body>
-</html>

web/_packages/web_startup_analyzer/example/web/manifest.json

@@ -1,35 +0,0 @@
-{
-    "name": "example",
-    "short_name": "example",
-    "start_url": ".",
-    "display": "standalone",
-    "background_color": "#0175C2",
-    "theme_color": "#0175C2",
-    "description": "A new Flutter project.",
-    "orientation": "portrait-primary",
-    "prefer_related_applications": false,
-    "icons": [
-        {
-            "src": "icons/Icon-192.png",
-            "sizes": "192x192",
-            "type": "image/png"
-        },
-        {
-            "src": "icons/Icon-512.png",
-            "sizes": "512x512",
-            "type": "image/png"
-        },
-        {
-            "src": "icons/Icon-maskable-192.png",
-            "sizes": "192x192",
-            "type": "image/png",
-            "purpose": "maskable"
-        },
-        {
-            "src": "icons/Icon-maskable-512.png",
-            "sizes": "512x512",
-            "type": "image/png",
-            "purpose": "maskable"
-        }
-    ]
-}

web/_packages/web_startup_analyzer/lib/src/frame_analyzer.dart

@@ -1,43 +0,0 @@
-// Copyright 2021 The Flutter team. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-import 'dart:async';
-
-import 'package:flutter/scheduler.dart';
-import 'package:flutter/widgets.dart';
-
-class FrameAnalyzer {
-  final WidgetsBinding _binding;
-  final Completer _onDone = Completer();
-  int _remainingFrames;
-
-  final int additionalFrames;
-  List<int> additionalFrameTimes = [];
-
-  FrameAnalyzer(this._binding, {this.additionalFrames = 10})
-    : _remainingFrames = additionalFrames;
-
-  Future<void> captureAdditionalFrames() {
-    _binding.addTimingsCallback(_timingsCallback);
-    return _onDone.future;
-  }
-
-  void _reportFrame(FrameTiming frameTiming) {
-    additionalFrameTimes.add(frameTiming.totalSpan.inMilliseconds);
-  }
-
-  void _timingsCallback(List<FrameTiming> timings) {
-    int i = 0;
-    while (_remainingFrames > 0 && i < timings.length) {
-      _reportFrame(timings[i]);
-      i++;
-      _remainingFrames--;
-    }
-    if (_remainingFrames <= 0) {
-      _binding.removeTimingsCallback(_timingsCallback);
-
-      _onDone.complete();
-    }
-  }
-}

web/_packages/web_startup_analyzer/lib/src/startup_analyzer.dart

@@ -1,25 +0,0 @@
-// Copyright 2021 The Flutter team. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-import 'dart:js_interop';
-
-@JS()
-@staticInterop
-external FlutterWebStartupAnalyzer get flutterWebStartupAnalyzer;
-
-@JS()
-@staticInterop
-class FlutterWebStartupAnalyzer {
-  external factory FlutterWebStartupAnalyzer();
-}
-
-extension FlutterWebStartupAnalyzerExtensions on FlutterWebStartupAnalyzer {
-  external JSObject get timings;
-  external void markStart(String name);
-  external void markFinished(String name);
-  external void capture(String name);
-  external void captureAll();
-  external void capturePaint();
-  external void report();
-}

web/_packages/web_startup_analyzer/lib/src/web_startup_analyzer.dart

@@ -1,108 +0,0 @@
-// Copyright 2021 The Flutter team. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-import 'dart:async';
-import 'dart:js_interop';
-import 'dart:js_interop_unsafe';
-
-import 'package:flutter/widgets.dart';
-import 'package:web_startup_analyzer/src/web_startup_analyzer_base.dart';
-
-import 'frame_analyzer.dart';
-import 'startup_analyzer.dart';
-
-class WebStartupAnalyzer extends WebStartupAnalyzerBase {
-  final WidgetsBinding _widgetsBinding;
-  late final FrameAnalyzer _frameAnalyzer;
-  List<int>? _additionalFrames;
-
-  @override
-  Map<String, dynamic> startupTiming = {};
-
-  @override
-  double get domContentLoaded =>
-      (flutterWebStartupAnalyzer.timings['domContentLoaded'] as JSNumber)
-          .toDartDouble;
-  @override
-  double get loadEntrypoint =>
-      (flutterWebStartupAnalyzer.timings['loadEntrypoint'] as JSNumber)
-          .toDartDouble;
-  @override
-  double get initializeEngine =>
-      (flutterWebStartupAnalyzer.timings['initializeEngine'] as JSNumber)
-          .toDartDouble;
-  @override
-  double get appRunnerRunApp =>
-      (flutterWebStartupAnalyzer.timings['appRunnerRunApp'] as JSNumber)
-          .toDartDouble;
-  @override
-  double? get firstFrame =>
-      (flutterWebStartupAnalyzer.timings['firstFrame'] as JSNumber?)
-          ?.toDartDouble;
-  @override
-  double? get firstPaint =>
-      (flutterWebStartupAnalyzer.timings['first-paint'] as JSNumber?)
-          ?.toDartDouble;
-  @override
-  double? get firstContentfulPaint =>
-      (flutterWebStartupAnalyzer.timings['first-contentful-paint'] as JSNumber?)
-          ?.toDartDouble;
-  @override
-  List<int>? get additionalFrames => _additionalFrames;
-
-  WebStartupAnalyzer({int additionalFrameCount = 5})
-    : _widgetsBinding = WidgetsFlutterBinding.ensureInitialized() {
-    _frameAnalyzer = FrameAnalyzer(
-      _widgetsBinding,
-      additionalFrames: additionalFrameCount,
-    );
-    _captureStartupMetrics();
-    startupTiming = {
-      'domContentLoaded': domContentLoaded,
-      'loadEntrypoint': loadEntrypoint,
-      'initializeEngine': initializeEngine,
-      'appRunnerRunApp': appRunnerRunApp,
-    };
-    _captureFirstFrame().then((value) {
-      flutterWebStartupAnalyzer.captureAll();
-      onFirstFrame.value = firstFrame;
-
-      // Capture first-paint and first-contentful-paint
-      Future.delayed(const Duration(milliseconds: 200)).then((_) {
-        flutterWebStartupAnalyzer.capturePaint();
-        onFirstPaint.value = (firstPaint!, firstContentfulPaint!);
-      });
-    });
-    captureFlutterFrameData().then((value) {
-      _additionalFrames = value;
-      onAdditionalFrames.value = value;
-    });
-    onChange = Listenable.merge([
-      onFirstFrame,
-      onFirstPaint,
-      onAdditionalFrames,
-    ]);
-  }
-
-  _captureStartupMetrics() {
-    flutterWebStartupAnalyzer.markFinished('appRunnerRunApp');
-    flutterWebStartupAnalyzer.captureAll();
-  }
-
-  Future<void> _captureFirstFrame() {
-    final completer = Completer();
-    flutterWebStartupAnalyzer.markStart('firstFrame');
-    _widgetsBinding.addPostFrameCallback((timeStamp) {
-      flutterWebStartupAnalyzer.markFinished('firstFrame');
-      flutterWebStartupAnalyzer.capture('firstFrame');
-      completer.complete();
-    });
-    return completer.future;
-  }
-
-  Future<List<int>> captureFlutterFrameData() async {
-    await _frameAnalyzer.captureAdditionalFrames();
-    return _frameAnalyzer.additionalFrameTimes;
-  }
-}

web/_packages/web_startup_analyzer/lib/src/web_startup_analyzer_base.dart

@@ -1,25 +0,0 @@
-// Copyright 2021 The Flutter team. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-import 'package:flutter/foundation.dart';
-
-// Base class for the web (real) implementation and dart:io (stub)
-// implementation.
-abstract class WebStartupAnalyzerBase {
-  late final Listenable onChange;
-  ValueNotifier<double?> onFirstFrame = ValueNotifier(null);
-  ValueNotifier<(double, double)?> onFirstPaint = ValueNotifier(null);
-  ValueNotifier<List<int>?> onAdditionalFrames = ValueNotifier(null);
-
-  double get domContentLoaded;
-  double get loadEntrypoint;
-  double get initializeEngine;
-  double get appRunnerRunApp;
-  double? get firstFrame;
-  double? get firstPaint;
-  double? get firstContentfulPaint;
-  List<int>? get additionalFrames;
-
-  Map<String, dynamic> get startupTiming;
-}

web/_packages/web_startup_analyzer/lib/src/web_startup_analyzer_io.dart

@@ -1,38 +0,0 @@
-// Copyright 2021 The Flutter team. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-import 'web_startup_analyzer_base.dart';
-
-// This class is a stub so that unit tests can run without importing
-// dart:js_interop and related packages.
-class WebStartupAnalyzer extends WebStartupAnalyzerBase {
-  WebStartupAnalyzer({int additionalFrameCount = 0});
-
-  @override
-  List<int>? get additionalFrames => [];
-
-  @override
-  double get appRunnerRunApp => 0.0;
-
-  @override
-  double get domContentLoaded => 0.0;
-
-  @override
-  double? get firstContentfulPaint => 0.0;
-
-  @override
-  double? get firstFrame => 0.0;
-
-  @override
-  double? get firstPaint => 0.0;
-
-  @override
-  double get initializeEngine => 0.0;
-
-  @override
-  double get loadEntrypoint => 0.0;
-
-  @override
-  Map<String, dynamic> get startupTiming => {};
-}

web/_packages/web_startup_analyzer/lib/web_startup_analyzer.dart

@@ -1,6 +0,0 @@
-// Copyright 2021 The Flutter team. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-export 'src/web_startup_analyzer_io.dart'
-    if (dart.library.js_interop) 'src/web_startup_analyzer.dart';

web/_packages/web_startup_analyzer/lib/web_startup_analyzer.js

@@ -1,47 +0,0 @@
-// Copyright 2021 The Flutter team. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Helper class to capture Flutter web app startup timing information
-class FlutterWebStartupAnalyzer {
-    timings;
-
-    constructor() {
-        this.timings = {};
-    }
-
-    markStart(name) {
-        this.timings[name] = null;
-        performance.mark('flt-' + name + '-started');
-    }
-    markFinished(name) {
-        performance.mark('flt-' + name + '-finished');
-    }
-    capture(name) {
-        var timingName = 'flt-' + name;
-        var started = 'flt-' + name + 'started';
-        try {
-            var measurement = performance.measure('flt-' + name, 'flt-' + name + '-started', 'flt-' + name + '-finished');
-        } catch(e) {
-            // ignore errors if the mark doesn't exist
-            return;
-        }
-        this.timings[name] = measurement.duration;
-    }
-    captureAll() {
-        for (var [key, value] of Object.entries(this.timings)) {
-            this.capture(key);
-        }
-        // Capture
-        this.timings['load'] = performance.timing.loadEventEnd - performance.timing.domContentLoadedEventEnd;
-        this.timings['domContentLoaded'] = performance.timing.domContentLoadedEventEnd - performance.timing.navigationStart;
-    }
-
-    capturePaint() {
-        const entries = performance.getEntriesByType("paint");
-        // Collect first-paint and first-contentful-paint entries
-        entries.forEach((entry) => {
-            this.timings[entry.name] = entry.startTime;
-        });
-    }
-}

web/_packages/web_startup_analyzer/pubspec.yaml

@@ -1,19 +0,0 @@
-name: web_startup_analyzer
-description: "Captures web startup timing data in a Flutter web app"
-version: 0.1.0-wip
-
-environment:
-  sdk: ^3.7.0-0
-  flutter: ^3.16.0
-
-dependencies:
-  flutter:
-    sdk: flutter
-
-dev_dependencies:
-  flutter_test:
-    sdk: flutter
-  flutter_lints: ^5.0.0
-flutter:
-  assets:
-    - lib/web_startup_analyzer.js

web/_tool/.copyright

@@ -1,3 +0,0 @@
-// Copyright {{ year }} The Flutter team. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file

web/_tool/analysis_options.yaml

@@ -1 +0,0 @@
-include: package:lints/recommended.yaml

web/_tool/build_ci.dart

@@ -1,76 +0,0 @@
-// Copyright 2021 The Flutter team. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file
-
-import 'dart:io';
-
-import 'package:path/path.dart' as p;
-
-import 'common.dart';
-import 'fix_base_tags.dart';
-
-const ignoredDirectories = [
-  '_tool',
-  '_packages/web_startup_analyzer',
-  '_packages/web_startup_analyzer/example',
-  'samples_index',
-];
-
-void main() async {
-  final packageDirs = [
-    ...listPackageDirs(Directory.current)
-        .map((path) => p.relative(path, from: Directory.current.path))
-        .where((path) => !ignoredDirectories.contains(path)),
-  ];
-
-  print('Building the sample index...');
-  await _run('samples_index', 'flutter', ['pub', 'get']);
-  await _run('samples_index', 'flutter', ['pub', 'run', 'grinder', 'deploy']);
-
-  // Create the directory each Flutter Web sample lives in
-  Directory(
-    p.join(Directory.current.path, 'samples_index', 'public', 'web'),
-  ).createSync(recursive: true);
-
-  for (var i = 0; i < packageDirs.length; i++) {
-    var directory = packageDirs[i];
-
-    logWrapped(ansiMagenta, '\n$directory (${i + 1} of ${packageDirs.length})');
-
-    // Create the target directory
-    var directoryName = p.basename(directory);
-    var sourceBuildDir = p.join(
-      Directory.current.path,
-      directory,
-      'build',
-      'web',
-    );
-    var targetDirectory = p.join(
-      Directory.current.path,
-      'samples_index',
-      'public',
-      'web',
-      directoryName,
-    );
-
-    // Build the sample and copy the files
-    await _run(directory, 'flutter', ['pub', 'get']);
-    await _run(directory, 'flutter', ['build', 'web', '--wasm']);
-    await _run(directory, 'mv', [sourceBuildDir, targetDirectory]);
-  }
-
-  // Update the <base href> tags in each index.html file
-  await fixBaseTags();
-}
-
-// Invokes run() and exits if the sub-process failed.
-Future<void> _run(
-  String workingDir,
-  String commandName,
-  List<String> args,
-) async {
-  var success = await run(workingDir, commandName, args);
-  if (!success) {
-    exit(1);
-  }
-}

web/_tool/common.dart

@@ -1,56 +0,0 @@
-// Copyright 2020 The Flutter team. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file
-
-import 'dart:io';
-
-const ansiGreen = 32;
-const ansiRed = 31;
-const ansiMagenta = 35;
-
-Future<bool> run(
-  String workingDir,
-  String commandName,
-  List<String> args,
-) async {
-  var commandDescription = '`${([commandName, ...args]).join(' ')}`';
-
-  logWrapped(ansiMagenta, '  Running $commandDescription');
-
-  var proc = await Process.start(
-    commandName,
-    args,
-    workingDirectory: '${Directory.current.path}/$workingDir',
-    mode: ProcessStartMode.inheritStdio,
-  );
-
-  var exitCode = await proc.exitCode;
-
-  if (exitCode != 0) {
-    logWrapped(
-      ansiRed,
-      '  Failed! ($exitCode) – $workingDir – $commandDescription',
-    );
-    return false;
-  } else {
-    logWrapped(ansiGreen, '  Success! – $workingDir – $commandDescription');
-    return true;
-  }
-}
-
-void logWrapped(int code, String message) {
-  print('\x1B[${code}m$message\x1B[0m');
-}
-
-Iterable<String> listPackageDirs(Directory dir) sync* {
-  if (File('${dir.path}/pubspec.yaml').existsSync()) {
-    yield dir.path;
-  } else {
-    for (var subDir in dir
-        .listSync(followLinks: true)
-        .whereType<Directory>()
-        .where((d) => !Uri.file(d.path).pathSegments.last.startsWith('.'))) {
-      yield* listPackageDirs(subDir);
-    }
-  }
-}

web/_tool/fix_base_tags.dart

@@ -1,62 +0,0 @@
-import 'dart:io';
-
-import 'package:path/path.dart' as p;
-
-Future<void> main() async {
-  await fixBaseTags();
-}
-
-/// Changes each sample's `<base href="/">` tag in index.html to
-/// `<base href="/samples/web/<SAMPLE_DIR_NAME>/">`
-///
-/// For example, after building using `build_ci.dart,
-/// `../samples_index/public/web/navigation_and_routing/index.html` should
-/// contain `<base href="/samples/web/navigation_and_routing/">`
-Future<void> fixBaseTags() async {
-  print('currentDir = ${Directory.current.path}');
-  var builtSamplesDir = Directory(
-    p.joinAll([
-      // Parent directory
-      ...p.split(Directory.current.path),
-      // path to built samples
-      ...p.split('samples_index/public/web'),
-    ]),
-  );
-  if (!await builtSamplesDir.exists()) {
-    print('${builtSamplesDir.path} does not exist.');
-    exit(1);
-  }
-
-  await for (var builtSample in builtSamplesDir.list()) {
-    if (builtSample is Directory) {
-      var index = File(p.join(builtSample.path, 'index.html'));
-      if (!await index.exists()) {
-        throw ('no index.html file found in ${builtSample.path}');
-      }
-
-      var sampleDirName = p.split(builtSample.path).last;
-
-      if (await index.exists()) {
-        final regex = RegExp('<base href="(.*)">');
-        var contents = await index.readAsString();
-        if (!contents.contains(regex)) {
-          continue;
-        }
-        var newContents = contents.replaceFirst(
-          regex,
-          '<base href="/samples/web/$sampleDirName/">',
-        );
-        await index.writeAsString(newContents);
-      }
-
-      // Since all of the web examples use the hosted canvaskit bits
-      // There is no need to deploy these
-      final canvasKitDirectory = Directory(
-        p.join(builtSample.path, 'canvaskit'),
-      );
-      if (canvasKitDirectory.existsSync()) {
-        canvasKitDirectory.deleteSync(recursive: true);
-      }
-    }
-  }
-}

web/_tool/peanut_post_build.dart

@@ -1,109 +0,0 @@
-// Copyright 2020 The Flutter team. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file
-
-// Called by https://pub.dartlang.org/packages/peanut to generate example pages
-// for hosting.
-//
-// Requires at least v3.2.0 of `package:peanut`
-
-import 'dart:convert';
-import 'dart:io';
-
-import 'package:path/path.dart' as p;
-
-import 'common.dart';
-
-void main(List<String> args) async {
-  final buildDir = args[0];
-  final fileMap =
-      (jsonDecode(args[1]) as Map<String, dynamic>).cast<String, String>();
-
-  if (fileMap.length < 2) {
-    throw StateError('We are assuming there is more than one sample!');
-  }
-
-  // This is USUALLY the case – where we have more than one demo
-  for (var exampleDir in fileMap.values) {
-    for (var htmlFile in Directory(p.join(buildDir, exampleDir))
-        .listSync()
-        .whereType<File>()
-        .where((f) => p.extension(f.path) == '.html')) {
-      _updateHtml(htmlFile, buildDir, exampleDir);
-    }
-  }
-
-  // Move each sample into a subdirectory, 'web'
-  for (var exampleDir in fileMap.values) {
-    var oldDirectory = Directory(p.join(buildDir, exampleDir));
-    Directory(p.join(buildDir, 'web')).createSync();
-    oldDirectory.renameSync(p.join(buildDir, 'web', exampleDir));
-  }
-
-  // Build the sample index and copy the files into this directory
-  print('building the sample index...');
-  await run('samples_index', 'flutter', ['pub', 'get']);
-  await run('samples_index', 'flutter', ['pub', 'run', 'grinder', 'deploy']);
-
-  // Copy the contents of the samples_index/public directory to the build
-  // directory
-  logWrapped(ansiMagenta, '  Copying samples_index/public to build directory');
-  var contents = Directory(p.join('samples_index', 'public')).listSync();
-  for (var entity in contents) {
-    var newPath = p.join(buildDir, p.basename(entity.path));
-    entity.renameSync(newPath);
-  }
-}
-
-void _updateHtml(File htmlFile, String buildDir, String exampleDir) {
-  final content = htmlFile.readAsStringSync();
-
-  final filePath = p.relative(htmlFile.path, from: buildDir);
-
-  if (!content.contains(_standardMeta)) {
-    print('!!! missing standard meta! - $filePath');
-  }
-
-  final newContent = content
-      .replaceFirst('<head>', '<head>\n$_analytics')
-      .replaceFirst(
-        _emptyTitle,
-        '<title>${_prettyName(exampleDir)} - Flutter web sample</title>',
-      );
-
-  if (newContent == content) {
-    print('!!! Did not replace contents in $filePath');
-  } else {
-    print('Replaced contents in $filePath');
-    htmlFile.writeAsStringSync(newContent, flush: true);
-  }
-}
-
-final _underscoreOrSlash = RegExp('_|/');
-
-String _prettyName(String input) => input
-    .split(_underscoreOrSlash)
-    .where((e) => e.isNotEmpty)
-    .map((e) {
-      return e.substring(0, 1).toUpperCase() + e.substring(1);
-    })
-    .join(' ');
-
-// flutter.github.io
-const _analyticsId = 'UA-67589403-8';
-
-const _analytics = '''
-<script async src="https://www.googletagmanager.com/gtag/js?id=$_analyticsId"></script>
-<script>
-  window.dataLayer = window.dataLayer || [];
-  function gtag(){dataLayer.push(arguments);}
-  gtag('js', new Date());
-  gtag('config', '$_analyticsId');
-</script>''';
-
-const _emptyTitle = '<title></title>';
-
-const _standardMeta = '''
-  <meta charset="UTF-8">
-  <meta name="viewport" content="width=device-width, initial-scale=1">
-  $_emptyTitle''';

web/_tool/pubspec.yaml

@@ -1,12 +0,0 @@
-name: tool
-publish_to: none
-
-environment:
-  sdk: ^3.7.0-0
-
-dependencies:
-  markdown: ^7.0.0
-  path: ^1.8.0
-
-dev_dependencies:
-  lints: ^5.0.0

web/_tool/verify_packages.dart

@@ -1,63 +0,0 @@
-// Copyright 2020 The Flutter team. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file
-
-import 'dart:io';
-
-import 'package:path/path.dart' as p;
-
-import 'common.dart';
-
-void main() async {
-  final packageDirs =
-      listPackageDirs(Directory.current)
-          .map((path) => p.relative(path, from: Directory.current.path))
-          .where((path) => !p.dirname(path).startsWith('_'))
-          .toList();
-
-  print('Package dirs:\n${packageDirs.map((path) => '  $path').join('\n')}');
-
-  final results = <bool>[];
-  for (var i = 0; i < packageDirs.length; i++) {
-    final dir = packageDirs[i];
-    logWrapped(ansiMagenta, '\n$dir (${i + 1} of ${packageDirs.length})');
-
-    final upgradeResult = await run(dir, 'flutter', [
-      'pub',
-      'pub',
-      'upgrade',
-      '--no-precompile',
-    ]);
-
-    results.add(upgradeResult);
-    if (!upgradeResult) {
-      // skipping analyze when `pub upgrade` fails.
-      results.add(false);
-      continue;
-    }
-    results.add(
-      await run(dir, 'dart', [
-        'analyze',
-        '--fatal-infos',
-        '--fatal-warnings',
-        '.',
-      ]),
-    );
-    _printStatus(results);
-  }
-
-  if (results.any((v) => !v)) {
-    exitCode = 1;
-  }
-}
-
-void _printStatus(List<bool> results) {
-  var successCount = results.where((t) => t).length;
-  var success = (successCount == results.length);
-  var pct = 100 * successCount / results.length;
-
-  logWrapped(
-    success ? ansiGreen : ansiRed,
-    '$successCount of ${results.length} (${pct.toStringAsFixed(2)}%)',
-  );
-}

web/animations

@@ -1 +0,0 @@
-../animations

web/form_app

@@ -1 +0,0 @@
-../form_app

web/game_template

@@ -1 +0,0 @@
-../game_template

web/material_3_demo

@@ -1 +0,0 @@
-../material_3_demo

web/navigation_and_routing

@@ -1 +0,0 @@
-../navigation_and_routing

web/peanut.yaml

@@ -1,15 +0,0 @@
-# Configuration for https://pub.dartlang.org/packages/peanut
-
-directories:
-- animations/web
-- provider_shopper/web
-- charts/web
-- filipino_cuisine/web
-- github_dataviz/web
-- particle_background/web
-- slide_puzzle/web
-- form_app/web
-- web_dashboard/web
-- place_tracker/web
-
-post-build-dart-script: _tool/peanut_post_build.dart

web/place_tracker

@@ -1 +0,0 @@
-../place_tracker

web/provider_shopper

@@ -1 +0,0 @@
-../provider_shopper

web/readme.md

@@ -1,57 +0,0 @@
-# Sample Index and Web Demos
-
-This directory contains the index hosted at [flutter.github.io/samples][samples]
-and web demos hosted with it.
-
-## See the demos in action
-
-Compiled versions of the samples are hosted at
-https://flutter.github.io/samples/#?platform=web.
-
-## Building samples code
-
-Run the demo using the `chrome` device type:
-
-```console
-$ cd charts
-$ flutter packages get
-$ flutter run -d chrome
-```
-
-You should see a message printing the URL to access: `http://localhost:8080`
-
-## Deploying to GitHub Pages
-
-This project uses a GitHub action to deploy update the `gh-pages` branch. To 
-do this manually, you can also use `package:peanut`:
-
-```console
-$ flutter pub global activate peanut
-```
-
-Verify `pub get` has been run on each demo:
-
-```console
-$ dart run _tool/verify_packages.dart
-```
-
-Build all demos, along with the sample index:
-
-```console
-$ flutter pub global run peanut
-```
-
-Deploy to GitHub Pages:
-
-```console
-$ git push origin gh-pages:gh-pages
-```
-
-## Building the sample index
-
-See sample_index/README.md for details
-
-[web]: https://flutter.dev/web
-[samples]: https://flutter.github.io/samples/
-[peanut]: https://github.com/kevmoo/peanut.dart
-

web/samples_index/.gitignore

@@ -1,19 +0,0 @@
-# firebase public directory
-public/
-
-# Files and directories created by pub
-.dart_tool/
-# Remove the following pattern if you wish to check in your lock file
-pubspec.lock
-
-# Conventional directory for build outputs
-build/
-
-# Directory created by dartdoc
-doc/api/
-
-# All HTML files are generated by `grind generate`
-web/*.html
-
-# Any thumbnails should be ignored
-web/images/**/*_thumb.png

web/samples_index/README.md

@@ -1,35 +0,0 @@
-# Flutter samples index generator
-
-This tool is used to generate the visual 
-[samples index for Flutter samples](https://flutter.github.io/samples/).
-
-## Generating the index
-
-We use [grinder](https://pub.dev/packages/grinder) to run the build tasks:
-
-```bash
-$ dart pub get
-$ dart run grinder generate
-```
-
-This will generate the index into `./web`
-
-## Serving the index locally
-
-If you want to serve the index locally, you can use
-[webdev](https://pub.dev/packages/webdev):
-
-```bash
-$ dart pub global activate grinder
-$ webdev serve
-```
-
-## Publishing the index
-
-You can build the complete index into a publishable directory using Grinder:
-
-```bash
-$ dart run grinder build-release
-```
-
-This outputs the completely built index to `./public`.

web/samples_index/analysis_options.yaml

@@ -1,26 +0,0 @@
-include: package:lints/recommended.yaml
-
-analyzer:
-  exclude:
-    - lib/src/data.g.dart
-  language:
-    strict-casts: true
-    strict-inference: true
-    strict-raw-types: true
-
-linter:
-  rules:
-    avoid_types_on_closure_parameters: true
-    avoid_void_async: true
-    cancel_subscriptions: true
-    close_sinks: true
-    directives_ordering: true
-    package_prefixed_library_names: true
-    prefer_final_in_for_each: true
-    prefer_single_quotes: true
-    test_types_in_equals: true
-    throw_in_finally: true
-    unawaited_futures: true
-    unnecessary_statements: true
-    use_enums: true
-    use_super_parameters: true

web/samples_index/lib/browser.dart

@@ -1,5 +0,0 @@
-// Copyright 2020 The Flutter team. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file
-
-export 'src/search.dart';

web/samples_index/lib/samples_index.dart

@@ -1,20 +0,0 @@
-// Copyright 2020 The Flutter team. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file
-
-import 'dart:io';
-import 'package:checked_yaml/checked_yaml.dart';
-
-import 'src/data.dart';
-
-export 'src/data.dart';
-
-Future<List<Sample>> getSamples() async {
-  var yamlFile = File('lib/src/samples.yaml');
-  var contents = await yamlFile.readAsString();
-  var index = checkedYamlDecode(
-      contents, (m) => m != null ? Index.fromJson(m) : null,
-      sourceUrl: yamlFile.uri);
-  if (index == null) throw ('unable to get load from ${yamlFile.uri}');
-  return index.samples;
-}

web/samples_index/lib/src/carousel.dart

@@ -1,250 +0,0 @@
-// Copyright 2020 The Flutter team. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file
-
-// TODO(kevmoo): https://github.com/flutter/samples/issues/2582
-// ignore: deprecated_member_use
-import 'dart:html';
-
-class Carousel {
-  final bool withArrowKeyControl;
-
-  final Element container = querySelector('.slider-container')!;
-  final List<Element> slides = querySelectorAll('.slider-single');
-
-  late int currentSlideIndex;
-  late final int lastSlideIndex;
-
-  late Element prevSlide, currentSlide, nextSlide;
-
-  late num x0;
-  bool touched = false;
-
-  Carousel.init({this.withArrowKeyControl = false}) {
-    lastSlideIndex = slides.length - 1;
-    currentSlideIndex = -1;
-
-    // Remove container empty space when no images are available
-    if (lastSlideIndex == -1) {
-      container.classes.clear();
-      return;
-    }
-
-    // Skip carousel decoration when only one image is available
-    if (lastSlideIndex == 0) {
-      currentSlide = slides[currentSlideIndex + 1];
-      currentSlide.classes.add('active');
-      return;
-    }
-
-    _hideSlides();
-    _initBullets();
-    _initArrows();
-    _initGestureListener();
-
-    if (withArrowKeyControl) {
-      _initArrowKeyControl();
-    }
-
-    // Move to the first slide after init
-    // This is responsible for creating a smooth animation
-    Future<void>.delayed(const Duration(milliseconds: 500))
-        .then((value) => _slideRight());
-  }
-
-  void _hideSlides() {
-    for (final s in slides) {
-      s.classes.add('next-hidden');
-    }
-  }
-
-  void _initBullets() {
-    final bulletContainer = DivElement();
-    bulletContainer.classes.add('bullet-container');
-
-    for (var i = 0; i < slides.length; i++) {
-      final bullet = DivElement();
-      bullet.classes.add('bullet');
-      bullet.id = 'bullet-index-$i';
-      bullet.onClick.listen((e) => _goToIndexSlide(i));
-      bulletContainer.append(bullet);
-    }
-
-    container.append(bulletContainer);
-  }
-
-  void _initArrows() {
-    final prevArrow = AnchorElement();
-    final iPrev = DivElement();
-    iPrev.classes.addAll(['fa', 'fa-chevron-left', 'fa-lg']);
-    prevArrow.classes.add('slider-left');
-    prevArrow.append(iPrev);
-    prevArrow.onClick.listen((e) => _slideLeft());
-
-    final nextArrow = AnchorElement();
-    final iNext = DivElement();
-    iNext.classes.addAll(['fa', 'fa-chevron-right', 'fa-lg']);
-    nextArrow.classes.add('slider-right');
-    nextArrow.append(iNext);
-    nextArrow.onClick.listen((e) => _slideRight());
-
-    container.append(prevArrow);
-    container.append(nextArrow);
-  }
-
-  void _touchStartListener(TouchEvent e) {
-    x0 = e.changedTouches!.first.client.x;
-    touched = true;
-  }
-
-  void _touchEndListener(TouchEvent e) {
-    if (touched) {
-      int dx = (e.changedTouches!.first.client.x - x0) as int;
-
-      // dx==0 case is ignored
-      if (dx > 0 && currentSlideIndex > 0) {
-        _slideLeft();
-      } else if (dx < 0 && currentSlideIndex < lastSlideIndex) {
-        _slideRight();
-      }
-      touched = false;
-    }
-  }
-
-  void _initGestureListener() {
-    container.onTouchStart.listen(_touchStartListener);
-    container.onTouchEnd.listen(_touchEndListener);
-  }
-
-  void _updateBullets() {
-    final bullets =
-        querySelector('.bullet-container')!.querySelectorAll('.bullet');
-    for (var i = 0; i < bullets.length; i++) {
-      bullets[i].classes.remove('active');
-      if (i == currentSlideIndex) {
-        bullets[i].classes.add('active');
-      }
-    }
-    _checkRepeat();
-  }
-
-  void _checkRepeat() {
-    var prevArrow = querySelector('.slider-left') as AnchorElement;
-    var nextArrow = querySelector('.slider-right') as AnchorElement;
-
-    if (currentSlideIndex == slides.length - 1) {
-      slides[0].classes.add('hidden');
-      slides[slides.length - 1].classes.remove('hidden');
-      prevArrow.classes.remove('hidden');
-      nextArrow.classes.add('hidden');
-    } else if (currentSlideIndex == 0) {
-      slides[slides.length - 1].classes.add('hidden');
-      slides[0].classes.remove('hidden');
-      prevArrow.classes.add('hidden');
-      nextArrow.classes.remove('hidden');
-    } else {
-      slides[slides.length - 1].classes.remove('hidden');
-      slides[0].classes.remove('hidden');
-      prevArrow.classes.remove('hidden');
-      nextArrow.classes.remove('hidden');
-    }
-  }
-
-  void _slideRight() {
-    if (currentSlideIndex < lastSlideIndex) {
-      currentSlideIndex++;
-    } else {
-      currentSlideIndex = 0;
-    }
-
-    if (currentSlideIndex > 0) {
-      prevSlide = slides[currentSlideIndex - 1];
-    } else {
-      prevSlide = slides[lastSlideIndex];
-    }
-
-    currentSlide = slides[currentSlideIndex];
-
-    if (currentSlideIndex < lastSlideIndex) {
-      nextSlide = slides[currentSlideIndex + 1];
-    } else {
-      nextSlide = slides[0];
-    }
-
-    for (final e in slides) {
-      _removeSlideClasses([e]);
-      if (e.classes.contains('prev-hidden')) e.classes.add('next-hidden');
-      if (e.classes.contains('prev')) e.classes.add('prev-hidden');
-    }
-
-    _removeSlideClasses([prevSlide, currentSlide, nextSlide]);
-
-    prevSlide.classes.add('prev');
-    currentSlide.classes.add('active');
-    nextSlide.classes.add('next');
-
-    _updateBullets();
-  }
-
-  void _slideLeft() {
-    if (currentSlideIndex > 0) {
-      currentSlideIndex--;
-    } else {
-      currentSlideIndex = lastSlideIndex;
-    }
-
-    if (currentSlideIndex < lastSlideIndex) {
-      nextSlide = slides[currentSlideIndex + 1];
-    } else {
-      nextSlide = slides[0];
-    }
-
-    currentSlide = slides[currentSlideIndex];
-
-    if (currentSlideIndex > 0) {
-      prevSlide = slides[currentSlideIndex - 1];
-    } else {
-      prevSlide = slides[lastSlideIndex];
-    }
-
-    for (final e in slides) {
-      _removeSlideClasses([e]);
-      if (e.classes.contains('next')) e.classes.add('next-hidden');
-      if (e.classes.contains('next-hidden')) e.classes.add('prev-hidden');
-    }
-
-    _removeSlideClasses([prevSlide, currentSlide, nextSlide]);
-
-    prevSlide.classes.add('prev');
-    currentSlide.classes.add('active');
-    nextSlide.classes.add('next');
-
-    _updateBullets();
-  }
-
-  void _goToIndexSlide(int index) {
-    final sliding =
-        (currentSlideIndex < index) ? () => _slideRight() : () => _slideLeft();
-    while (currentSlideIndex != index) {
-      sliding();
-    }
-  }
-
-  void _removeSlideClasses(List<Element> slides) {
-    for (final s in slides) {
-      s.classes
-          .removeAll(['prev-hidden', 'prev', 'active', 'next', 'next-hidden']);
-    }
-  }
-
-  void _initArrowKeyControl() {
-    Element.keyUpEvent.forTarget(document.body).listen((e) {
-      if (e.keyCode == KeyCode.LEFT && currentSlideIndex > 0) {
-        _slideLeft();
-      }
-      if (e.keyCode == KeyCode.RIGHT && currentSlideIndex < lastSlideIndex) {
-        _slideRight();
-      }
-    });
-  }
-}

web/samples_index/lib/src/data.dart

@@ -1,169 +0,0 @@
-// Copyright 2020 The Flutter team. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file
-
-/// Defines the data types for this project.
-library;
-
-import 'package:json_annotation/json_annotation.dart';
-import 'package:path/path.dart' as path;
-import 'package:samples_index/src/util.dart' as util;
-
-part 'data.g.dart';
-
-/// The full list of samples
-@JsonSerializable(
-    // Use anyMap and checked for more useful YAML parsing errors. See
-    // package:checked_yaml docs for details.
-    anyMap: true,
-    checked: true)
-class Index {
-  final List<Sample> samples;
-
-  Index(this.samples);
-
-  factory Index.fromJson(Map<dynamic, dynamic> json) => _$IndexFromJson(json);
-
-  Map<String, dynamic> toJson() => _$IndexToJson(this);
-}
-
-/// A sample to be displayed in the app.
-@JsonSerializable(anyMap: true, checked: true)
-class Sample {
-  /// The name of the sample.
-  final String name;
-
-  /// The author of the sample. Typically "Flutter"
-  final String? author;
-
-  /// Screenshots of the sample. At least 1 screenshot is required.
-  final List<Screenshot> screenshots;
-
-  /// A link to the source code.
-  final String source;
-
-  /// A link to this sample running in the browser.
-  final String? web;
-
-  /// 3-5 sentences describing the sample.
-  final String description;
-
-  /// The difficulty level. Values are either 'beginner', 'intermediate', or
-  /// 'advanced'.
-  final String? difficulty;
-
-  /// List of widgets or Flutter APIs used by the sample. e.g. "AnimatedBuilder"
-  /// or "ChangeNotifier".
-  final List<String> widgets;
-
-  /// List of packages or Flutter libraries used by the sample. third-party
-  /// packages.
-  final List<String> packages;
-
-  /// Arbitrary tags to associate with this sample.
-  final List<String> tags;
-
-  /// Supported platforms. Values are either 'ios', 'android', 'desktop', and
-  /// 'web'
-  final List<String> platforms;
-
-  /// The type of the sample. Supported values are either 'sample' or
-  /// 'demo'.
-  final String type;
-
-  /// The date this sample was created.
-  final DateTime? date;
-
-  /// The Flutter channel this sample runs on. Either 'stable', 'dev' or
-  /// 'master'.
-  final String? channel;
-
-  Sample({
-    required this.name,
-    this.author = 'Flutter',
-    required this.screenshots,
-    required this.source,
-    this.web,
-    required this.description,
-    this.difficulty = 'beginner',
-    this.widgets = const [],
-    this.packages = const [],
-    this.tags = const [],
-    this.platforms = const [],
-    required this.type,
-    this.date,
-    this.channel,
-  });
-
-  factory Sample.fromJson(Map<dynamic, dynamic> json) => _$SampleFromJson(json);
-
-  Map<String, dynamic> toJson() => _$SampleToJson(this);
-
-  String get thumbnail {
-    var screenshotUrl = screenshots.first.url;
-    var prefix = path.dirname(screenshotUrl);
-    var filename = path.basenameWithoutExtension(screenshotUrl);
-    return path.join(prefix, '${filename}_thumb.png');
-  }
-
-  String get searchAttributes {
-    var buf = StringBuffer();
-    buf.write(name.toLowerCase());
-    buf.write(' ');
-
-    for (final tag in tags) {
-      buf.write('tag:${tag.toLowerCase()} ');
-
-      // Allow tags to be searched without the tag: prefix
-      buf.write('${tag.toLowerCase()} ');
-    }
-
-    for (final platform in platforms) {
-      buf.write('platform:$platform ');
-
-      // Allow platforms to be searched without the tag: prefix
-      buf.write('$platform ');
-    }
-
-    for (final widget in widgets) {
-      buf.write('widget:$widget ');
-    }
-
-    for (final package in packages) {
-      buf.write('package:$package ');
-    }
-
-    buf.write('type:$type ');
-
-    return buf.toString().trim();
-  }
-
-  String get filename {
-    var nameWithoutChars = name.replaceAll(RegExp(r'[^A-Za-z0-9\-\_\ ]'), '');
-    var nameWithUnderscores = nameWithoutChars.replaceAll(' ', '_');
-    var snake = util.snakeCase(nameWithUnderscores);
-    var s = snake.replaceAll('__', '_');
-    return s;
-  }
-
-  String get shortDescription {
-    if (description.length < 64) {
-      return description;
-    }
-    return '${description.substring(0, 64)}...';
-  }
-}
-
-/// A screenshot of a sample
-@JsonSerializable(anyMap: true, checked: true)
-class Screenshot {
-  final String url;
-  final String alt;
-
-  Screenshot(this.url, this.alt);
-
-  factory Screenshot.fromJson(Map<dynamic, dynamic> json) =>
-      _$ScreenshotFromJson(json);
-
-  Map<String, dynamic> toJson() => _$ScreenshotToJson(this);
-}

web/samples_index/lib/src/data.g.dart

@@ -1,107 +0,0 @@
-// GENERATED CODE - DO NOT MODIFY BY HAND
-
-part of 'data.dart';
-
-// **************************************************************************
-// JsonSerializableGenerator
-// **************************************************************************
-
-Index _$IndexFromJson(Map json) => $checkedCreate(
-      'Index',
-      json,
-      ($checkedConvert) {
-        final val = Index(
-          $checkedConvert(
-              'samples',
-              (v) => (v as List<dynamic>)
-                  .map((e) => Sample.fromJson(e as Map))
-                  .toList()),
-        );
-        return val;
-      },
-    );
-
-Map<String, dynamic> _$IndexToJson(Index instance) => <String, dynamic>{
-      'samples': instance.samples,
-    };
-
-Sample _$SampleFromJson(Map json) => $checkedCreate(
-      'Sample',
-      json,
-      ($checkedConvert) {
-        final val = Sample(
-          name: $checkedConvert('name', (v) => v as String),
-          author: $checkedConvert('author', (v) => v as String? ?? 'Flutter'),
-          screenshots: $checkedConvert(
-              'screenshots',
-              (v) => (v as List<dynamic>)
-                  .map((e) => Screenshot.fromJson(e as Map))
-                  .toList()),
-          source: $checkedConvert('source', (v) => v as String),
-          web: $checkedConvert('web', (v) => v as String?),
-          description: $checkedConvert('description', (v) => v as String),
-          difficulty:
-              $checkedConvert('difficulty', (v) => v as String? ?? 'beginner'),
-          widgets: $checkedConvert(
-              'widgets',
-              (v) =>
-                  (v as List<dynamic>?)?.map((e) => e as String).toList() ??
-                  const []),
-          packages: $checkedConvert(
-              'packages',
-              (v) =>
-                  (v as List<dynamic>?)?.map((e) => e as String).toList() ??
-                  const []),
-          tags: $checkedConvert(
-              'tags',
-              (v) =>
-                  (v as List<dynamic>?)?.map((e) => e as String).toList() ??
-                  const []),
-          platforms: $checkedConvert(
-              'platforms',
-              (v) =>
-                  (v as List<dynamic>?)?.map((e) => e as String).toList() ??
-                  const []),
-          type: $checkedConvert('type', (v) => v as String),
-          date: $checkedConvert(
-              'date', (v) => v == null ? null : DateTime.parse(v as String)),
-          channel: $checkedConvert('channel', (v) => v as String?),
-        );
-        return val;
-      },
-    );
-
-Map<String, dynamic> _$SampleToJson(Sample instance) => <String, dynamic>{
-      'name': instance.name,
-      'author': instance.author,
-      'screenshots': instance.screenshots,
-      'source': instance.source,
-      'web': instance.web,
-      'description': instance.description,
-      'difficulty': instance.difficulty,
-      'widgets': instance.widgets,
-      'packages': instance.packages,
-      'tags': instance.tags,
-      'platforms': instance.platforms,
-      'type': instance.type,
-      'date': instance.date?.toIso8601String(),
-      'channel': instance.channel,
-    };
-
-Screenshot _$ScreenshotFromJson(Map json) => $checkedCreate(
-      'Screenshot',
-      json,
-      ($checkedConvert) {
-        final val = Screenshot(
-          $checkedConvert('url', (v) => v as String),
-          $checkedConvert('alt', (v) => v as String),
-        );
-        return val;
-      },
-    );
-
-Map<String, dynamic> _$ScreenshotToJson(Screenshot instance) =>
-    <String, dynamic>{
-      'url': instance.url,
-      'alt': instance.alt,
-    };

web/samples_index/lib/src/samples.yaml

@@ -1,513 +0,0 @@
-samples:
-  - name: Material 3
-    author: Flutter
-    screenshots:
-      - url: images/material_3_components.png
-        alt: Components tab of the Material 3 demo
-      - url: images/material_3_color.png
-        alt: Colors tab of the Material 3 demo
-      - url: images/material_3_typography.png
-        alt: Typography tab of the Material 3 demo
-      - url: images/material_3_elevation.png
-        alt: Elevation tab of the Material 3 demo
-      - url: images/material_3_green.png
-        alt: Elevation tab of the Material 3 demo with seed color of green
-    source: https://github.com/flutter/samples/tree/main/material_3_demo
-    description: >
-      Showcases Material 3 features in the Flutter Material library.
-      These features include updated components, typography, color system and elevation support.
-    difficulty: beginner
-    widgets:
-      - Theme
-      - TextButton
-      - ElevatedButton
-      - OutlinedButton
-      - Text
-      - Card
-      - AppBar
-    packages: [ ]
-    tags: [ "material", "design", "gallery" ]
-    platforms: [ "ios", "android", "web", "windows", "macos", "linux" ]
-    type: demo
-    web: web/material_3_demo
-
-  - name: Rich Text Editor
-    author: Flutter
-    screenshots:
-      - url: images/simple_editor_active.png
-        alt: Advanced text editing with activity
-      - url: images/simple_editor_initial.png
-        alt: Advanced text editing in initial state
-    source: https://github.com/flutter/samples/tree/main/simplistic_editor
-    description: >
-      This is a fancy text editor sample which shows how to consume fine-grain
-      text editing and selection details from the framework's TextEditingDeltas
-      APIs.
-    difficulty: advanced
-    widgets:
-      - TextInput
-    packages: []
-    tags: ["demo", "text"]
-    platforms: ["ios", "android", "web", "windows", "macos", "linux"]
-    type: demo
-    web: web/simplistic_editor
-
-  - name: Web Embedding
-    author: Flutter and Angular
-    screenshots:
-      - url: images/web_embedding1.png
-        alt: A Flutter app embedded in an Angular app
-      - url: images/web_embedding2.png
-        alt: A Flutter app embedded in an Angular app
-    source: https://github.com/flutter/samples/tree/main/web_embedding
-    description: >
-      An example app showing how to embed Flutter in a web application using Angular
-    difficulty: advanced
-    widgets: []
-    packages: []
-    platforms: ['web']
-    tags: ['demo', 'web', 'add-to-app', 'embedding']
-    web: https://flutter-angular.web.app/
-    type: demo
-
-  - name: Add to App
-    author: Flutter
-    screenshots:
-      - url: images/add_to_app1.png
-        alt: Add_to_app screenshot
-      - url: images/add_to_app2.png
-        alt: Add_to_app screenshot
-    source: https://github.com/flutter/samples/tree/main/add_to_app
-    description: >
-      Android and iOS projects that each import a standalone Flutter module.
-    difficulty: advanced
-    widgets:
-      - WidgetsFlutterBinding
-      - MethodChannel
-    packages:
-      - flutter/material
-      - flutter/services
-      - provider
-    tags: ['advanced', 'sample', 'add-to-app', 'android', 'ios', 'native', 'embedding']
-    platforms: ['ios', 'android']
-    type: sample
-
-  - name: Code Sharing
-    author: Flutter
-    screenshots:
-      - url: images/code_sharing.jpg
-        alt: Counter app communicating with server
-    source: https://github.com/flutter/samples/tree/main/code_sharing
-    description: >
-      Demonstrates simple way to share business logic between a Flutter app and
-      a server running Dart.
-    difficulty: intermediate
-    packages:
-      - freezed
-      - shelf
-    tags: ['intermediate', 'sample', 'code-sharing', 'dart', 'server']
-    platforms: ['android', 'ios', 'linux', 'macos', 'web', 'windows']
-    type: sample
-
-  - name: Animations
-    author: Flutter
-    screenshots:
-      - url: images/animations1.png
-        alt: Animations sample screenshot
-      - url: images/animations2.png
-        alt: Animations sample screenshot
-      - url: images/animations3.png
-        alt: Animations sample screenshot
-    source: https://github.com/flutter/samples/tree/main/animations
-    description: >
-      Sample apps that showcasing Flutter's animation features.
-    difficulty: advanced
-    widgets:
-      - AnimatedContainer
-      - PageRouteBuilder
-      - AnimationController
-      - SingleTickerProviderStateMixin
-      - Tween
-      - AnimatedBuilder
-      - TweenSequence
-      - TweenSequenceItem
-    packages:
-      - flutter/material
-    tags: ['intermediate', 'sample', 'animation']
-    platforms: ['ios', 'android', 'web']
-    type: sample
-    web: web/animations
-
-  - name: Flutter Maps Firestore
-    author: Flutter
-    screenshots:
-      - url: images/flutter_maps_firestore1.png
-        alt: Flutter maps firestore screenshot
-      - url: images/flutter_maps_firestore2.png
-        alt: Flutter maps firestore screenshot
-    source: https://github.com/flutter/samples/tree/main/flutter_maps_firestore
-    description: >
-      A Flutter sample app that shows the end product of the Cloud Next '19 talk
-      Build Mobile Apps With Flutter and Google Maps.
-    difficulty: advanced
-    widgets:
-      - GoogleMap
-    packages:
-      - flutter/material
-      - cloud_firestore
-      - google_maps_flutter
-      - google_maps_webservice
-    tags: ['intermediate', 'sample', 'firebase', 'maps']
-    platforms: ['ios', 'android']
-    type: sample
-
-  - name: Isolate Example
-    author: Flutter
-    screenshots:
-      - url: images/isolate1.png
-        alt: Isolate example screenshot
-      - url: images/isolate2.png
-        alt: Isolate example screenshot
-      - url: images/isolate3.png
-        alt: Isolate example screenshot
-    source: https://github.com/flutter/samples/tree/main/isolate_example
-    description: >
-      A sample application that demonstrate best practices when using
-      isolates.
-    difficulty: intermediate
-    widgets:
-      - FutureBuilder
-      - AnimationController
-    packages:
-      - dart:isolate
-      - dart:math
-    tags: ['intermediate', 'sample', 'isolates', 'concurrency']
-    platforms: ['ios', 'android']
-    type: sample
-
-  - name: Place Tracker
-    author: Flutter
-    screenshots:
-      - url: images/place_tracker1.png
-        alt: Place Tracker screenshot
-      - url: images/place_tracker2.png
-        alt: Place Tracker screenshot
-      - url: images/place_tracker3.png
-        alt: Place Tracker screenshot
-      - url: images/place_tracker4.png
-        alt: Place Tracker screenshot
-    source: https://github.com/flutter/samples/tree/main/place_tracker
-    description: >
-      A sample place tracking app that uses the google_maps_flutter plugin. Keep
-      track of your favorite places, places you've visited, and places you want
-      to go. View details about these places, show them on a map, and get
-      directions to them.
-    difficulty: intermediate
-    widgets:
-      - GoogleMap
-    packages:
-      - google_maps_flutter
-    tags: ['intermediate', 'sample', 'json', 'serialization']
-    platforms: ['android']
-    type: sample
-
-  - name: Platform Design
-    author: Flutter
-    screenshots:
-      - url: images/platform_design1.png
-        alt: Platform Design screenshot
-      - url: images/platform_design2.png
-        alt: Platform Design screenshot
-      - url: images/platform_design3.png
-        alt: Platform Design screenshot
-      - url: images/platform_design4.png
-        alt: Platform Design screenshot
-      - url: images/platform_design5.png
-        alt: Platform Design screenshot
-      - url: images/platform_design6.png
-        alt: Platform Design screenshot
-      - url: images/platform_design7.png
-        alt: Platform Design screenshot
-    source: https://github.com/flutter/samples/tree/main/platform_design
-    description: >
-      A Flutter app that maximizes application code reuse while adhering to
-      different design patterns on Android and iOS
-    difficulty: advanced
-    widgets:
-      - TargetPlatform
-    packages:
-      - flutter/material
-      - flutter/cupertino
-    tags: ['advanced', 'sample', 'ios']
-    platforms: ['ios', 'android']
-    type: sample
-
-  - name: Platform View Swift
-    author: Flutter
-    screenshots:
-      - url: images/platform_view_swift1.png
-        alt: Platform View Swift screenshot
-      - url: images/platform_view_swift2.png
-        alt: Platform View Swift screenshot
-    source: https://github.com/flutter/samples/tree/main/platform_view_swift
-    description: >
-      A Flutter sample app that combines a native iOS UIViewController with a
-      full-screen Flutter view.
-    difficulty: intermediate
-    widgets:
-      - MethodChannel
-    packages:
-      - flutter/material
-      - flutter/services
-    tags: ['advanced', 'sample', 'ios']
-    platforms: ['ios']
-    type: sample
-
-  - name: Infinite List
-    author: Flutter
-    screenshots:
-      - url: images/infinite_list.png
-        alt: Infinite List screenshot
-    source: https://github.com/flutter/samples/tree/main/infinite_list
-    description: >
-      A Flutter sample app that shows an implementation of the "infinite list" UX pattern. 
-      That is, a list is shown to the user as if it was continuous although it is internally 
-      paginated. This is a common feature of mobile apps, from shopping catalogs 
-      through search engines to social media clients.
-    difficulty: intermediate
-    widgets:
-      - Selector
-      - AppBar
-      - ListTile
-      - ListView
-    packages:
-      - provider
-      - meta
-    tags: ['sample', 'material', 'design', 'android', 'ios']
-    platforms: ['ios', 'android']
-    type: sample
-
-  - name: IOS App Clip
-    author: Flutter
-    screenshots:
-      - url: images/ios_app_clip.png
-        alt: IOS App Clip screenshot
-    source: https://github.com/flutter/samples/tree/main/ios_app_clip
-    description: >
-      A Flutter sample app that shows the demonstrating integration with iOS 14's App Clip,
-      the App Clip target is rendered by Flutter and uses a plugin.
-    difficulty: intermediate
-    widgets:
-      - CupertinoApp
-      - AppBar
-      - FlutterLogo
-    packages:
-      - device_info
-    tags: ['sample', 'Device Info', 'ios']
-    platforms: ['ios']
-    type: sample
-
-  - name: Testing App
-    author: Flutter
-    screenshots:
-      - url: images/testing_app1.png
-        alt: Testing App screenshot
-      - url: images/testing_app2.png
-        alt: Testing App screenshot
-    source: https://github.com/flutter/samples/tree/main/testing_app
-    description: >
-      A Flutter sample app that shows different types of testing in Flutter.
-    difficulty: intermediate
-    widgets:
-      - AppBar
-      - ListTile
-      - ListView
-      - Snackbar
-    packages:
-      - provider
-    tags: ['sample', 'material', 'android', 'ios']
-    platforms: ['ios', 'android']
-    type: sample
-
-  - name: Provider Shopper
-    author: Flutter
-    screenshots:
-      - url: images/provider_shopper1.png
-        alt: Provider Shopper screenshot
-      - url: images/provider_shopper2.png
-        alt: Provider Shopper screenshot
-      - url: images/provider_shopper3.png
-        alt: Provider Shopper screenshot
-    source: https://github.com/flutter/samples/tree/main/provider_shopper
-    description: >
-      A Flutter sample app that shows a state management approach using the Provider package.
-    difficulty: intermediate
-    widgets:
-      - Provider
-      - MultiProvider
-      - ChangeNotifier
-    packages:
-      - provider
-    tags: ['intermediate', 'sample', 'provider']
-    platforms: ['ios', 'android', 'web']
-    type: sample
-    web: web/provider_shopper
-
-  - name: Web Dashboard
-    author: Flutter
-    screenshots:
-      - url: images/web_dashboard1.png
-        alt: Web Dashboard screenshot
-      - url: images/web_dashboard2.png
-        alt: Web Dashboard screenshot
-      - url: images/web_dashboard3.png
-        alt: Web Dashboard screenshot
-    source: https://github.com/flutter/samples/tree/main/experimental/web_dashboard
-    description: >
-      A dashboard app that displays daily entries. Demonstrates AdaptiveScaffold and NavigationRail. Showcases how to
-      use Firebase, but uses a mock backend by default.
-    difficulty: advanced
-    widgets:
-      - AdaptiveScaffold
-      - NavigationRail
-      - FutureBuilder
-      - StreamBuilder
-    packages:
-      - firebase
-    tags: ['intermediate', 'sample', 'firebase']
-    platforms: ['ios', 'android', 'web']
-    type: sample
-    web: web/web_dashboard
-
-  - name: Form App
-    author: Flutter
-    screenshots:
-      - url: images/form_app1.png
-        alt: Form App screenshot
-      - url: images/form_app2.png
-        alt: Form App screenshot
-      - url: images/form_app3.png
-        alt: Form App screenshot
-    source: https://github.com/flutter/samples/tree/main/form_app
-    description: >
-      A Flutter sample app that shows how to use Forms.
-    difficulty: intermediate
-    widgets:
-      - Form
-    packages: []
-    tags: ['intermediate', 'sample', 'forms']
-    platforms: ['ios', 'android', 'web']
-    type: sample
-    web: web/form_app
-    
-  - name: Navigation and Routing
-    author: Flutter
-    screenshots:
-      - url: images/navigation_and_routing1.png
-        alt: Navigation and Routing screenshot
-      - url: images/navigation_and_routing2.png
-        alt: Navigation and Routing screenshot
-      - url: images/navigation_and_routing3.png
-        alt: Navigation and Routing screenshot
-      - url: images/navigation_and_routing4.png
-        alt: Navigation and Routing screenshot
-    source: https://github.com/flutter/samples/tree/main/navigation_and_routing
-    description: >
-      A Flutter sample app that shows how to use how to use the Router API to
-      handle common navigation scenarios.
-    difficulty: advanced
-    widgets:
-      - Router
-    packages: []
-    tags: ['advanced', 'sample', 'navigation', 'router']
-    platforms: ['ios', 'android', 'web']
-    type: sample
-    web: web/navigation_and_routing
-    
-  - name: Photo Search app
-    author: Flutter
-    screenshots:
-      - url: images/desktop_photo_search-fluent_ui.png
-        alt: Desktop Photo Search with FluentUI widgets
-      - url: images/desktop_photo_search-material.png
-        alt: Desktop Photo Search with Material widgets
-    source: https://github.com/flutter/samples/tree/main/desktop_photo_search
-    description: >
-      This is the Photo Search app, built out with two different widget sets,
-      `material` shows the Photo Search app built with Material widgets, and
-      `fluent_ui` shows the Photo Search app built with Fluent UI widgets.
-    difficulty: medium
-    widgets: []
-    packages: 
-      - built_collection
-      - built_value
-      - file_selector
-      - fluent_ui
-      - flutter/material
-      - provider
-      - url_launcher
-    tags: ['desktop', 'rest-api']
-    platforms: ['windows', 'macos', 'linux']
-    type: sample
-
-  - name: Slide Puzzle
-    author: Very Good Ventures
-    screenshots:
-      - url: images/slide_puzzle1.png
-        alt: Slide Puzzle screenshot
-    source: https://github.com/VGVentures/slide_puzzle
-    description: >
-      A slide puzzle built for Flutter Challenge.
-    difficulty: advanced
-    widgets: []
-    packages: []
-    platforms: ['web']
-    tags: ['demo', 'game']
-    type: demo
-
-  - name: Game Template
-    author: Flutter
-    screenshots:
-      - url: images/loading_screen.png
-        alt: Loading screen
-      - url: images/level_selector.png
-        alt: Level selection screen
-    source: https://github.com/flutter/samples/tree/main/game_template
-    description: >
-      This is a game template that shows how to build much of the dressing
-      around an actual game. The game itself is very simple - the value in this
-      sample is everything around the game.
-    difficulty: beginner
-    widgets:
-      - GoRouter
-      - AppLifecycleObserver
-    packages:
-      - audioplayers
-      - firebase_crashlytics
-      - games_services
-      - go_router
-      - google_mobile_ads
-      - in_app_purchase
-      - logging
-      - provider
-      - shared_preferences
-    tags: ["games", "firebase", "ads", "crashlytics", "routing"]
-    platforms: ["ios", "android", "web", "windows", "macos", "linux"]
-    type: demo
-    web: web/game_template
-
-  - name: Dice
-    author: Jaime Blasco
-    screenshots:
-      - url: images/dice.png
-        alt: Dice screenshot
-    source: https://github.com/jamesblasco/zflutter/blob/master/zflutter/example/lib/examples/dice/dice.dart
-    description: >
-      A demo of 3d animation using dice
-    difficulty: advanced
-    widgets: []
-    packages: []
-    platforms: ['web']
-    tags: ['demo', 'animation']
-    web: https://z.flutter.gallery/#/dice
-    type: demo

web/samples_index/lib/src/search.dart

@@ -1,84 +0,0 @@
-// Copyright 2020 The Flutter team. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file
-
-bool matchesQuery(String query, String sampleAttributes) {
-  if (query.isEmpty) {
-    return true;
-  }
-
-  var queryWords = query.toLowerCase().split(' ')
-    ..removeWhere((s) => s.isEmpty);
-  var attributes = sampleAttributes.toLowerCase().split(' ')
-    ..removeWhere((s) => s.isEmpty);
-
-  // Test for type filter
-  // This will check whether a type parameter is present in the
-  // search query, and return false if the self type mismatches
-  // the query type
-  for (final word in queryWords) {
-    if ((word.contains('type:') && !attributes.contains(word)) ||
-        (word.contains('platform:') && !attributes.contains('type:demo'))) {
-      return false;
-    }
-  }
-
-  // Test for exact matches
-  if (attributes.contains(query)) {
-    return true;
-  }
-
-  // Test for exact matches for keywords
-  var matches = 0;
-  for (final word in queryWords) {
-    if (attributes.contains(word)) {
-      matches++;
-    }
-    if (matches == queryWords.length) {
-      return true;
-    }
-  }
-
-  // Test for queries whose keywords are a substring of any attribute
-  // e.g. searching "kitten tag:cats" is a match for a sample with the
-  // attributes "kittens tag:cats"
-  matches = 0;
-  for (final attribute in attributes) {
-    for (final queryWord in queryWords) {
-      if (attribute.startsWith(queryWord)) {
-        matches++;
-      }
-    }
-    // Only return true if each search term was matched
-    if (matches == queryWords.length) {
-      return true;
-    }
-  }
-
-  return false;
-}
-
-Map<String, String> parseHash(String hash) =>
-    Uri.parse(hash.substring(hash.indexOf('#') + 1)).queryParameters;
-
-String formatHash(Map<String, String> parameters) =>
-    Uri().replace(queryParameters: parameters).toString();
-
-String searchQueryFromParams(Map<String, String> params) {
-  var buf = StringBuffer();
-  if (params.containsKey('search')) {
-    buf.write(params['search']);
-  }
-  if (params.containsKey('type')) {
-    if (buf.isNotEmpty) buf.write(' ');
-    var value = params['type'];
-    if (value != null) buf.write('type:$value');
-  }
-  if (params.containsKey('platform')) {
-    if (buf.isNotEmpty) buf.write(' ');
-    var value = params['platform'];
-    if (value != null) buf.write('platform:$value');
-  }
-
-  return buf.toString();
-}

web/samples_index/lib/src/templates.dart

@@ -1,233 +0,0 @@
-// Copyright 2020 The Flutter team. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-import 'dart:convert';
-
-import 'data.dart';
-import 'util.dart' as util;
-
-String _escapeAttribute(String s) =>
-    const HtmlEscape(HtmlEscapeMode.attribute).convert(s);
-String _escapeElement(String s) =>
-    const HtmlEscape(HtmlEscapeMode.element).convert(s);
-
-String description(Sample sample) => '''
-<!DOCTYPE html>
-<html lang="en">
-$_descriptionHeader
-${_descriptionPage(sample)}
-$_footer
-</html>
-''';
-
-String index(List<Sample> samples) => '''
-<!DOCTYPE html>
-<html lang="en">
-$_indexHeader
-${_indexBody(samples)}
-$_footer
-</html>
-  ''';
-
-const String _indexHeader = '''
-<head>
-  <meta charset="utf-8">
-  <title>Flutter samples</title>
-  <link href="styles.css" rel="stylesheet" media="screen">
-  <link href="https://fonts.googleapis.com/css?family=Google+Sans|Google+Sans+Display|Roboto:300,400,500&display=swap" rel="stylesheet">
-  <link href="https://fonts.googleapis.com/icon?family=Material+Icons" rel="stylesheet">
-  <meta name="viewport" content="width=device-width, initial-scale=1">
-  <script src="packages/mdc_web/material-components-web.min.js"></script>
-  <script defer src="main.dart.js"></script>
-  $_googleAnalytics
-</head>
-''';
-
-const String _descriptionHeader = '''
-<head>
-  <meta charset="utf-8">
-  <title>Flutter samples</title>
-  <link href="styles.css" rel="stylesheet" media="screen">
-  <link href="https://fonts.googleapis.com/css?family=Google+Sans|Google+Sans+Display|Roboto:300,400,500&display=swap" rel="stylesheet">
-  <link href="https://fonts.googleapis.com/icon?family=Material+Icons" rel="stylesheet">
-  <meta name="viewport" content="width=device-width, initial-scale=1">
-  <script src="packages/mdc_web/material-components-web.min.js"></script>
-  <script src="https://kit.fontawesome.com/16cc04762e.js"></script>
-  <script defer src="description.dart.js"></script>
-  $_googleAnalytics
-</head>
-''';
-
-const String _navbar = '''
-<div class="navbar">
-  <a class="leading" href="./">
-    <img src="images/logos/logo_lockup_flutter_horizontal_wht_96.png" />
-    <span class="title">Samples</span>
-  </a>
-  <div class="nav-items">
-    <a href="https://flutter.dev/">Flutter Home</a>
-    <a href="https://api.flutter.dev/">API Docs</a>
-  </div>
-</div>
-''';
-
-String _footer = '''
-<div class="footer">
-  <span>© Flutter ${DateTime.now().toUtc().year}</span>
-</div>
-''';
-
-String _indexBody(List<Sample> samples) => '''
-<body>
-  <div class="content">
-    ${util.indent(_navbar, 4)}
-    <div class="container">
-      <div class="index-header">
-        <h1>All Samples</h1>
-        <p>A curated list of Flutter samples and apps</p>
-      </div>
-      <div class="search-container">
-        <div id="search-bar" class="mdc-text-field mdc-text-field--with-leading-icon mdc-text-field--with-trailing-icon">
-          <i class="material-icons mdc-text-field__icon">search</i>
-          <i id="clear-button" class="material-icons mdc-text-field__icon" role="button" tabindex="0">clear</i>
-          <input class="mdc-text-field__input" id="text-field-hero-input">
-          <div class="mdc-line-ripple"></div>
-          <label for="text-field-hero-input" class="mdc-floating-label">Search</label>
-        </div>
-      </div>
-      <div class="filter-menu">
-        <div class="filter-buttons">
-          <div class="mdc-chip-set mdc-chip-set--choice" role="grid">
-            <div class="mdc-chip mdc-chip--selected" role="row">
-              <div class="mdc-chip__ripple"></div>
-              <span role="gridcell">
-                <span role="button" tabindex="0" class="mdc-chip__text">All</span>
-              </span>
-            </div>
-            <div class="mdc-chip" role="row">
-              <div class="mdc-chip__ripple"></div>
-              <span role="gridcell">
-                <span role="button" tabindex="-1" class="mdc-chip__text">Sample</span>
-              </span>
-            </div>
-            <div class="mdc-chip" role="row">
-              <div class="mdc-chip__ripple"></div>
-              <span role="gridcell">
-                <span role="button" tabindex="-1" class="mdc-chip__text">Web Demos</span>
-              </span>
-            </div>
-          </div>
-        </div>
-        <div class="filter-end"></div>
-      </div>
-      <div class="grid">
-        ${util.indent(_indexCards(samples), 6)}
-      </div>
-    </div>
-  </div>
-</body>
-''';
-
-String _backgroundImage(String url) =>
-    _escapeAttribute('background-image: url(\'$url\');');
-String _indexCards(List<Sample> samples) => samples.map(_indexCard).join();
-String _indexCard(Sample sample) => '''
-<div class="mdc-card demo-card mdc-elevation--z0" search-attrs="${_escapeAttribute(sample.searchAttributes)}">
-  <div class="mdc-card__primary-action demo-card__primary-action" tabindex="0" href="${sample.filename}.html">
-    <div class="mdc-card__media mdc-card__media--16-9 demo-card__media" style="${_backgroundImage(sample.thumbnail)}"></div>
-    <div class="demo-card__label type-label">${_escapeElement(sample.type)}</div>
-    <div class="demo-card__primary">
-      <h2 class="demo-card__title mdc-typography mdc-typography--headline6">${_escapeElement(sample.name)}</h2>
-    </div>
-    <div class="demo-card__secondary mdc-typography mdc-typography--body2">${sample.shortDescription}</div>
-  </div>
-</div>
-''';
-
-String _descriptionPage(Sample sample) => '''
-<body>
-  <div class="content">
-    ${util.indent(_navbar, 4)}
-    <div class="container">
-      <div class="description-title-row">
-        <h1>${sample.name}</h1>
-        <div class="type-label type-label-bordered">${sample.type}</div>
-      </div>
-      <p>By ${sample.author}</p>
-      <div class="toolbar">
-        <div class="buttons">
-          ${util.indent(_descriptionButtons(sample), 6)}
-        </div>
-        <div class="tags-container">
-          <div class="tags-label">
-            <i class="material-icons">local_offer</i>
-            <span>Tags</span>
-          </div>
-          <div class="tags">
-            ${util.indent(_tags(sample), 8)}
-          </div>
-        </div>
-      </div>
-      <div class="slider-container">
-        <div class="slider-content">
-          ${util.indent(_descriptionScreenshots(sample), 4)}
-        </div>
-      </div>
-      <div class="description">
-        ${util.indent(_descriptionText(sample), 4)}
-      </div>
-    </div>
-  </div>
-</body>
-''';
-
-String _descriptionButtons(Sample sample) {
-  var buf = StringBuffer();
-  var sampleLink = sample.web;
-  if (sampleLink != null && sampleLink.isNotEmpty) {
-    buf.write(
-        '''<button class="mdc-button mdc-button--outlined" onclick="window.location.href = '$sampleLink';"><span class="mdc-button__ripple"></span> Launch App</button>''');
-  }
-
-  if (sample.type == 'app' ||
-      sample.type == 'sample' ||
-      sample.type == 'demo') {
-    buf.write(
-        '''<button class="mdc-button mdc-button--outlined" onclick="window.location.href = '${sample.source}';">
-<div class="mdc-button__ripple"></div>
-<i class="material-icons mdc-button__icon" aria-hidden="true">code</i>
-<span class="mdc-button__label">Source Code</span>
-</button>''');
-  }
-  return buf.toString();
-}
-
-String _tags(Sample sample) {
-  var buf = StringBuffer();
-  for (final tag in sample.tags) {
-    buf.write('<a href="./#?search=tag%3A$tag">$tag</a>\n');
-  }
-  return buf.toString();
-}
-
-String _descriptionScreenshots(Sample sample) {
-  var buf = StringBuffer();
-  for (final screenshot in sample.screenshots) {
-    buf.write(
-        '''<div class="slider-single"><img class="slider-single-image" src="${screenshot.url}" alt="${screenshot.alt}" /></div>\n''');
-  }
-  return buf.toString();
-}
-
-String _descriptionText(Sample sample) {
-  return '<p>${sample.description}</p>';
-}
-
-const String _googleAnalytics = """
-<script async src="https://www.googletagmanager.com/gtag/js?id=UA-67589403-8"></script>
-  <script>
-    window.dataLayer = window.dataLayer || [];
-    function gtag(){dataLayer.push(arguments);}
-    gtag('js', new Date());
-    gtag('config', 'UA-67589403-8');
-  </script>""";

web/samples_index/lib/src/util.dart

@@ -1,35 +0,0 @@
-// Copyright 2020 The Flutter team. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file
-
-import 'dart:convert';
-
-String indent(String content, int spaces) =>
-    LineSplitter.split(content).join('\n${' ' * spaces}');
-
-String kebabCase(String input) => _fixCase(input, '-');
-
-String snakeCase(String input) => _fixCase(input, '_');
-
-final _upperCase = RegExp('[A-Z]');
-
-String pascalCase(String input) {
-  if (input.isEmpty) {
-    return '';
-  }
-
-  return input[0].toUpperCase() + input.substring(1);
-}
-
-String _fixCase(String input, String separator) =>
-    input.replaceAllMapped(_upperCase, (match) {
-      var group = match.group(0);
-      if (group == null) return input;
-      var lower = group.toLowerCase();
-
-      if (match.start > 0) {
-        lower = '$separator$lower';
-      }
-
-      return lower;
-    });

web/samples_index/pubspec.yaml

@@ -1,40 +0,0 @@
-name: samples_index
-description: A visual index of Flutter samples.
-homepage: https://github.com/flutter/samples/tree/main/web/samples_index
-version: 0.0.1
-publish_to: none
-
-environment:
-  sdk: ^3.5.0
-
-dependencies:
-  checked_yaml: ^2.0.3
-  json_annotation: ^4.8.1
-  mdc_web: ^0.6.0
-  path: ^1.8.3
-  sass_builder: ^2.2.1
-  web: ^1.1.0
-  yaml: ^3.1.2
-
-dev_dependencies:
-  build: ^2.4.0
-  build_runner: ^2.4.2
-  build_web_compilers: ^4.0.3
-  grinder: ^0.9.4
-  image: ^4.1.3
-  json_serializable: ^6.6.2
-  lints: ^5.0.0
-  test: ^1.24.2
-
-# package:mdc_web needs to upgrade the version of material-components-web 12.0.0
-# or above, which includes this fix for the division operator:
-
-# https://github.com/material-components/material-components-web/pull/7158
-#
-# Until then, dart-sass produces a warning that this operator is being removed
-# in favor of calc().
-#
-# See this issue for details:
-# https://github.com/dart-lang/dart-pad/issues/2388
-dependency_overrides:
-  sass: ^1.62.0

web/samples_index/test/samples_index_test.dart

@@ -1,165 +0,0 @@
-// Copyright 2020 The Flutter team. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file
-
-import 'dart:io';
-
-import 'package:checked_yaml/checked_yaml.dart';
-import 'package:samples_index/browser.dart';
-import 'package:samples_index/samples_index.dart';
-import 'package:test/test.dart';
-
-void main() {
-  group('YAML', () {
-    test('parsing', () async {
-      var file = File('test/yaml/single.yaml');
-      var contents = await file.readAsString();
-      expect(contents, isNotEmpty);
-
-      var index = checkedYamlDecode(
-          contents, (m) => m != null ? Index.fromJson(m) : null,
-          sourceUrl: file.uri);
-      if (index == null) {
-        throw ('unable to load YAML from $file');
-      }
-      expect(index.samples, isNotEmpty);
-
-      var sample = index.samples.first;
-      expect(sample, isNotNull);
-      expect(sample.name, 'Kittens');
-      expect(sample.screenshots, hasLength(2));
-      expect(sample.source, 'https://github.com/johnpryan/kittens');
-      expect(sample.description, 'A sample kitten app');
-      expect(sample.difficulty, 'beginner');
-      expect(sample.widgets, hasLength(2));
-      expect(sample.widgets.first, 'AnimatedBuilder');
-      expect(sample.packages, hasLength(2));
-      expect(sample.packages.first, 'json_serializable');
-      expect(sample.tags, hasLength(3));
-      expect(sample.tags[1], 'kittens');
-      expect(sample.platforms, hasLength(3));
-      expect(sample.type, 'sample');
-      expect(sample.date, DateTime.parse('2019-12-15T02:59:43.1Z'));
-      expect(sample.channel, 'stable');
-    });
-  });
-
-  group('searching', () {
-    test('search attributes', () async {
-      var file = File('test/yaml/single.yaml');
-      var contents = await file.readAsString();
-      expect(contents, isNotEmpty);
-
-      var index = checkedYamlDecode(
-          contents, (m) => m != null ? Index.fromJson(m) : null,
-          sourceUrl: file.uri);
-      if (index == null) {
-        throw ('unable to load YAML from $file');
-      }
-      var sample = index.samples.first;
-      expect(
-          sample.searchAttributes.split(' '),
-          containsAll(const <String>[
-            'kittens',
-            'tag:beginner',
-            'tag:kittens',
-            'tag:cats',
-
-            // Verify tags are searchable without the prefix
-            'beginner',
-            'kittens',
-            'cats',
-
-            'platform:web',
-            'platform:ios',
-            'platform:android',
-
-            // Verify platforms are searchable without the prefix
-            'web',
-            'ios',
-            'android',
-
-            'widget:AnimatedBuilder',
-            'widget:FutureBuilder',
-            'package:json_serializable',
-            'package:path',
-
-            'type:sample',
-          ]));
-    });
-
-    test('matchesQuery', () {
-      var attributes = 'kittens '
-          'tag:beginner '
-          'tag:kittens '
-          'tag:cats '
-          'platform:web '
-          'platform:ios '
-          'platform:android '
-          'widget:AnimatedBuilder '
-          'widget:FutureBuilder '
-          'package:json_serializable '
-          'package:path '
-          'type:sample';
-
-      // Test if various queries match these attributes
-      expect(matchesQuery('foo', attributes), false);
-      expect(matchesQuery('Foo', attributes), false);
-      expect(matchesQuery('kittens', attributes), true);
-      expect(matchesQuery('Kittens', attributes), true);
-      expect(matchesQuery('tag:cats', attributes), true);
-      expect(matchesQuery('tag:dogs', attributes), false);
-      expect(matchesQuery('package:path', attributes), true);
-
-      // Test if partial queries match these attributes
-      expect(matchesQuery('kitten', attributes), true);
-
-      // Test if multiple keywords match
-      expect(matchesQuery('kittens tag:cats', attributes), true);
-      expect(matchesQuery('kitten tag:cats', attributes), true);
-      expect(matchesQuery('tag:beginner dogs', attributes), false);
-      expect(matchesQuery('asdf ', attributes), false);
-
-      // Test if queries match by type
-      expect(matchesQuery('type:sample', attributes), true);
-      expect(matchesQuery('type:demo', attributes), false);
-      expect(matchesQuery('kittens type:demo', attributes), false);
-    });
-  });
-
-  group('Hash parameters', () {
-    test('can be parsed', () {
-      expect(parseHash('#?search=kittens&platform=web'),
-          containsPair('search', 'kittens'));
-      expect(parseHash('#?search=kittens&platform=web'),
-          containsPair('platform', 'web'));
-      expect(parseHash('#?type=sample'), containsPair('type', 'sample'));
-      expect(parseHash('#?type=demo'), containsPair('type', 'demo'));
-    });
-
-    test('can be set', () {
-      expect(
-          formatHash({
-            'search': 'kittens',
-            'platform': 'web',
-          }),
-          equals('?search=kittens&platform=web'));
-    });
-
-    test('creates search attributes', () {
-      expect(
-          searchQueryFromParams({
-            'search': 'kittens',
-            'platform': 'web',
-            'type': 'sample',
-          }),
-          equals('kittens type:sample platform:web'));
-      expect(
-          searchQueryFromParams({
-            'search': 'kittens',
-          }),
-          equals('kittens'));
-      expect(searchQueryFromParams({}), equals(''));
-    });
-  });
-}

web/samples_index/test/yaml/bad.yaml

@@ -1,27 +0,0 @@
-samples:
-  # Bad type, should be string, but it's a number.
-  - name: 42
-    screenshots:
-      - url: https://placekitten.com/500/500
-        alt: a kitten
-      - url: https://placekitten.com/400/400
-        alt: another kitten
-    source: http://github.com/johnpryan/kittens
-    description: A sample kitten app
-    difficulty: beginner
-    widgets:
-      - AnimatedBuilder
-      - FutureBuilder
-    packages:
-      - json_serializable
-      - path
-    tags: ['beginner', 'kittens', 'cats']
-    platforms: ['web', 'ios', 'android']
-    links:
-      - text: inspiration
-        href: https://apps.apple.com/us/app/neko-atsume-kitty-collector/id923917775
-      - text: author
-        href: http://jpryan.me
-    type: sample # sample or app
-    date: 2019-12-15T02:59:43.1Z
-    channel: stable

web/samples_index/test/yaml/single.yaml

@@ -1,21 +0,0 @@
-samples:
-  - name: Kittens
-    screenshots:
-      - url: https://placekitten.com/500/500
-        alt: a kitten
-      - url: https://placekitten.com/400/400
-        alt: another kitten
-    source: https://github.com/johnpryan/kittens
-    description: A sample kitten app
-    difficulty: beginner
-    widgets:
-      - AnimatedBuilder
-      - FutureBuilder
-    packages:
-      - json_serializable
-      - path
-    tags: ['beginner', 'kittens', 'cats']
-    platforms: ['web', 'ios', 'android']
-    type: sample # sample or app
-    date: 2019-12-15T02:59:43.1Z
-    channel: stable

web/samples_index/tool/grind.dart

@@ -1,98 +0,0 @@
-// Copyright 2020 The Flutter team. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file
-
-import 'dart:io';
-
-import 'package:grinder/grinder.dart';
-import 'package:image/image.dart' as image;
-import 'package:path/path.dart' as path;
-import 'package:samples_index/samples_index.dart';
-import 'package:samples_index/src/templates.dart' as templates;
-
-Future<void> main(List<String> args) => grind(args);
-
-@Task('Run tests in the VM')
-Future<void> testCli() async =>
-    await TestRunner().testAsync(platformSelector: 'vm');
-
-@Task()
-void analyze() {
-  run('dart', arguments: const ['analyze', '--fatal-infos', '.']);
-}
-
-@Task('deploy')
-@Depends(analyze, testCli, generate, buildRelease)
-void deploy() {
-  log('All tasks completed. ');
-  log('');
-}
-
-@Task('Run build_runner to public/ directory')
-@Depends(createThumbnails)
-Future<void> buildRelease() async {
-  var app = PubApp.local('build_runner');
-  await app.runAsync(
-      'build --release --output web:public --delete-conflicting-outputs'
-          .split(' ')
-          .toList());
-}
-
-@DefaultTask('Build the project.')
-@Depends(clean)
-Future<void> generate() async {
-  var samples = await getSamples();
-  log('Generating index for ${samples.length} samples...');
-  var outputFile = File('web/index.html');
-  await outputFile.create(recursive: true);
-  await outputFile.writeAsString(templates.index(samples));
-  var futures = <Future<void>>[];
-  for (final sample in samples) {
-    var file = File('web/${sample.filename}.html');
-    var future = file.create(recursive: true).then((_) async {
-      await file.writeAsString(templates.description(sample));
-    });
-    futures.add(future);
-  }
-  await Future.wait<void>(futures);
-  log('Generated index for ${samples.length} samples.');
-}
-
-@Task('creates thumbnail images in web/images')
-Future<void> createThumbnails() async {
-  await _createThumbnails(Directory('web/images'));
-}
-
-// Creates a thumbnail image for each png file
-Future<void> _createThumbnails(Directory directory) async {
-  var files = await directory.list().toList();
-  var filesToWrite = <Future<void>>{};
-
-  for (final entity in files) {
-    var extension = path.extension(entity.path);
-    var filename = path.basenameWithoutExtension(entity.path);
-    if (extension != '.png' || entity is! File || filename.endsWith('_thumb')) {
-      continue;
-    }
-
-    var pathPrefix = path.dirname(entity.path);
-    var thumbnailFile = File(path.join(pathPrefix, '${filename}_thumb.png'));
-
-    var img = image.decodeImage(await entity.readAsBytes());
-    var resized = image.copyResize(img!, width: 640);
-    filesToWrite.add(thumbnailFile.writeAsBytes(image.encodePng(resized)));
-  }
-
-  await Future.wait<void>(filesToWrite);
-}
-
-@Task('remove generated HTML files')
-Future<void> clean() async {
-  var tasks = <Future<void>>[];
-  await for (final file in Directory('web').list(recursive: true)) {
-    if (path.extension(file.path) == '.html') {
-      tasks.add(file.delete());
-    }
-  }
-  await Future.wait<void>(tasks);
-}

web/samples_index/web/description.dart

@@ -1,15 +0,0 @@
-// TODO(kevmoo): https://github.com/flutter/samples/issues/2582
-// ignore: deprecated_member_use
-import 'dart:html';
-
-import 'package:mdc_web/mdc_web.dart';
-import 'package:samples_index/src/carousel.dart';
-
-void main() {
-  querySelectorAll('.mdc-card__primary-action').forEach((el) => MDCRipple(el));
-
-  // Initialize carousel
-  // This carousel will use the div slider-container as the base
-  // withArrowKeyControl is used to listen for arrow key up events
-  Carousel.init(withArrowKeyControl: true);
-}